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Since it was introduced as an ornamental plant a century ago, Brazilian peppertree has grown out of control in Florida. Researchers are releasing a tiny insect that may help stop the invasive plant.

Under the agreement hammered out in 2015, the first day that countries can reverse the promises they made is Nov. 4, 2019. It will be another year before the American withdrawal is official.

As dozens of CEOs called on the president to preserve DACA, and on Congress to pass an immigration bill to help immigrant youth, the president of Microsoft had some fighting words for the White House.

On Super Tuesday, March 5, Republicans will have allocated almost half of their delegates, just as the first criminal case against former President Donald Trump is getting underway.

For 19 months in a row, food prices in America's supermarkets fell compared to a year earlier. This is good news for shoppers but has weighed on the grocery industry and the people who grow our food.

The Death Certificate Project aims to weed out doctors who are overprescribing opioids, but some physicians say the investigations are having a chilling effect on the legitimate treatment of pain.

Hot weather can influence cognitive performance, according to new research. Young adults living in non-air-conditioned dorms during a heat wave performed worse on math and attention tests.

A new public health campaign says controlling high blood pressure is among the best ways to keep your brain sharp. The neurologist in charge aims to lead by example.

Maria Martin created the public radio program Latino USA in 1993, was a reporter and helped train generations of radio journalists in the U.S. and Latin America.

Hospitals are preparing for how to handle mass shootings in case the next one is in their backyard. One difficult call is whether to lockdown the facility, which can have emotional consequences.